https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0 MIDI.org Discussion Board en-US Mon, 05 Oct 2026 18:09:43 +0000 wpForo 60 https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11566 Thu, 30 Jul 2026 21:17:42 +0000 Thank you for the practical advice!

]]> Developers & MIDI 2.0 Specifications Robin Bayer https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11566 https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11561 Thu, 30 Jul 2026 01:20:12 +0000 Glad the spec answers your question. In terms of ping I use 3 failed pings in a row to determine a bad connection :)

]]> Developers & MIDI 2.0 Specifications Andrew Mee https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11561 https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11560 Wed, 29 Jul 2026 21:57:34 +0000 Actually, I see a reference in Section 6.13 (Ping) that says a host can determine that after a sufficient number of pings are not returned, that the HOST can also send a timeout.  So although the overall question is answered, is there an operational notion of how many pings not returned would be a reasonable indication of the client no longer participating in the session?

]]> Developers & MIDI 2.0 Specifications Robin Bayer https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11560 https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11559 Wed, 29 Jul 2026 21:47:32 +0000 Knowing that Network MIDI is in its first official specification release in MIDI 2.0, it is primarily focused with a peer-to-peer connection between devices, and likely that will tend to be a 1->1 relationship between client and host, although the spec does support multiple client connections to a host, including from a single device.  The specification mentions the ability for a client to essentially determine that a host is not available after a "reasonable amount of time" when submitting repeated Invitation packets (Network MIDI 2.0 Section 6.4), but is there an equivalent concept of the host determining that a client is no longer reachable, in case the device has been powered off, or otherwise removed from the network before sending a Bye packet?  For a host process that might want to only accept a certain number of client connections, such a timeout strategy would help to free up a connection for a client that is no longer active.  I am unable to find any discussion of this within the Network MIDI 2.0 specification.

]]> Developers & MIDI 2.0 Specifications Robin Bayer https://midi.org/community/midi-specifications/question-on-the-notion-of-a-client-session-with-a-host-in-network-midi-2-0#post-11559